| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1931 |
|
Astounding Stories, May 1931 | Reader's Guild | MAGAZINE | |
| September 1968 |
|
Famous Science Fiction, Fall 1968 | Health Knowledge, Inc. | MAGAZINE | |
| April 1978 |
|
Porte sul futuro: storia e antologia delle riviste di fantascienza 1926-1945 | Fanucci Editore | Omnibus | |256.27 |
| 2007 |
|
The Blood 'N' Thunder Guide to Collecting Pulps | Murania Press | Nonfiction | 210 |
| November 2009 | Astounding Stories, May 1931 | Project Gutenberg | Anthology | ||
| August 2012 |
|
Dark Moon | LibriVox | Chapbook | |
| August 2016 |
|
Astounding Stories, May 1931 | LibriVox | Anthology |